<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var i = 0,a,b;
        while(i<100){
            i++;
            a = parseInt(i/10);
            b = i % 10;
            if(a == 7 || b == 7 || i%7==0){
                document.write('过  ');
                continue;
            }
            document.write(i+'  '); 
        }
    </script>
</body>
</html>